code: def upload_file(instance_id, client, localpath, remotepath):
      ftp_client = client.open_sftp()
      print(f"Uploading `{localpath}` to {instance_id}...")
      ftp_client.put(localpath, remotepath)
      ftp_client.close()
      print(f"`{localpath}` uploaded to {instance_id}.")
  
file_path: CrypTen/scripts/aws_launcher.py
imports: import concurrent.futures
  import configparser
  import os
  import sys
  import time
  import uuid
  import warnings
  from argparse import ArgumentParser, REMAINDER
  from pathlib import Path
  import boto3
  import paramiko
label_desc: Use image node_id 5 for calling a global function with example usage: upload_file(instance_id, client, localpath, remotepath) without return types